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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000009069606598 1,522 digits created 2026-08-10

Value

2138922605370231053518992850267127397407238994631878921881666359724917301140210696573416866451415308462383902110470579045443668970434007140819139322804458136778956157795936571936685705479474537855829067362036554557080418448498846793218427184252050465805229956134327913670489853127671114656316464719444648213463763673886088687348351502168687787970476743412144686231523056094601464485538226212466446868324242666341297449094846489754732456084985975974231092850867512783747791169171083897449077917886292029817461386634088866046510271788742107509909487855004776131869277952230300169563660799868839533747654332041480686424887802920664136215513583625983659337706001318727470557423130035513347507640820838688602372939654238011253690111860987942764298816920495904267845082001189712637300654629982836194264512230032507328241647998623992975606007189220688813765950253066360356108479309019761587826574529521090521502285504642527373298049787257251543566987829769711587709053366915926573055603836221162705362963197064019123491963576166874852776149533491284679061495343356300264451360280455972421182953098494258540164641002878972841898940261670283833199292129725898048210271346067326616307074435661163777779884460070537038887560748041008710289816607539465756030133163123002580218102484969126997236371599287707995806926671140282313746021439307313967373069048127856006057657986512850789606673382998058789963268843439986972918233743687628085929872531987953333725745691578413729635673789761858120661668103996576963588615014130557838847892279
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 45 of the certificate chain of a 2,104-digit prime (165 intermediate primes).

Certified number2,104-digit prime
Certificatedownload
Certificate chainshow step 45 of 165

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069606598 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009069606598},"decimal":true,"detail":2}}'